On Big Bang Relics, the Neutrino Mass and the Cosmic Ray Spectrum
Richard Wigmans
Abstract
It is shown that high energy features of the cosmic ray spectrum, in particular the kink around 4 PeV and the corresponding change in spectral index, may be explained from interactions between highly energetic protons and relic Big Bang antineutrinos, if the latter have a rest mass of about 0.4 eV/c2. This explanation is supported by experimental data from extensive air-shower experiments.
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